Insertion of Vertically Aligned Nanowires into Living Cells by Inkjet Printing of Cells

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Donggyu LeeJooho Moon

Abstract

Effective insertion of vertically aligned nanowires (NWs) into cells is critical for bioelectrical and biochemical devices, biological delivery systems, and photosynthetic bioenergy harvesting. However, accurate insertion of NWs into living cells using scalable processes has not yet been achieved. Here, NWs are inserted into living Chlamydomonas reinhardtii cells (Chlamy cells) via inkjet printing of the Chlamy cells, representing a low-cost and large-scale method for inserting NWs into living cells. Jetting conditions and printable bioink composed of living Chlamy cells are optimized to achieve stable jetting and precise ink deposition of bioink for indentation of NWs into Chlamy cells. Fluorescence confocal microscopy is used to verify the viability of Chlamy cells after inkjet printing. Simple mechanical considerations of the cell membrane and droplet kinetics are developed to control the jetting force to allow penetration of the NWs into cells. The results suggest that inkjet printing is an effective, controllable tool for stable insertion of NWs into cells with economic and scale-related advantages.

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Citations

May 29, 2018·Small·Yanzhen ZhangGunther Wittstock
Mar 24, 2018·Annual Review of Analytical Chemistry·Allister F McGuireBianxiao Cui
Jan 17, 2020·Advanced Materials·Stuart G HigginsMolly M Stevens
Jun 14, 2020·Journal of Functional Biomaterials·Giuseppe ArrabitoBruno Pignataro
Jul 28, 2018·Chemical Reviews·Martin P StewartKlavs F Jensen

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